http://archive.wausaudailyherald.com/VideoNetwork/2681647708001/Zac-Efron-Has-Been-to-Rehab-Twice-for-Cocaine-Abusehttp://cdn.newslook.com/b7/b716073ebef587e8d885083c92c45b2b/mp4_low/b716073ebef587e8d885083c92c45b2b-mp4_low.mp4http://archive.wausaudailyherald.com/VideoNetwork/2681647708001/Zac-Efron-Has-Been-to-Rehab-Twice-for-Cocaine-Abusehttp://cdn.newslook.com/b7/b716073ebef587e8d885083c92c45b2b/images/frame_0006.jpgZac Efron Has Been to Rehab Twice for Cocaine AbuseZac Efron has reportedly been in rehab before for cocaine abuse, receiving outpatient care in a private residence before relapsing and returning for further treatment.Zac EfronnewslookUnited States of Americaentertainment01:09